Home / 542,251,023.89-748,314,042.77-294,732,390.29

Finding the Fourth Proportional to 542,251,023.89, 748,314,042.77 and 294,732,390.29

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Solution

The fourth proportional to 542,251,023.89, 748,314,042.77 and 294,732,390.29 is: 406,734,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,251,023.89 : 748,314,042.77 = 294,732,390.29 : x
  2. Step 2: Convert to fraction form
    542,251,023.89/748,314,042.77 = 294,732,390.29/x
  3. Step 3: Cross multiply
    542,251,023.89x = 748,314,042.77 × 294,732,390.29
  4. Step 4: Simplify right side
    542,251,023.89x = 220,552,386,510,170,688
  5. Step 5: Solve for x
    x = 220,552,386,510,170,688/542,251,023.89
  6. Step 6: Final answer
    x = 406,734,845.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.